Home / 143,429.16-215,107.20-101,701.20

Finding the Fourth Proportional to 143,429.16, 215,107.20 and 101,701.20

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Solution

The fourth proportional to 143,429.16, 215,107.20 and 101,701.20 is: 152,525.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,429.16 : 215,107.20 = 101,701.20 : x
  2. Step 2: Convert to fraction form
    143,429.16/215,107.20 = 101,701.20/x
  3. Step 3: Cross multiply
    143,429.16x = 215,107.20 × 101,701.20
  4. Step 4: Simplify right side
    143,429.16x = 21,876,660,368.64
  5. Step 5: Solve for x
    x = 21,876,660,368.64/143,429.16
  6. Step 6: Final answer
    x = 152,525.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.